Issue 2, 2022

Pulmonary delivery of mucosal nanovaccines

Abstract

Mucosal vaccination can elicit both systemic and mucosal immunity, and therefore has the potential to not only treat mucosal immune diseases, prevent the pathogen infection at the mucosal entry sites, but also treat distant or systemic immune disorders. However, only a few mucosal vaccines have been approved for human use in the clinic. Effective mucosal immunization requires the delivery of immunogenic agents to appropriate mucosal surfaces, which remains significantly challenging due to the essential biological barriers presenting at mucosal tissues. In the past decade, remarkable progress has been made in the development of pulmonary mucosal nanovaccines. The nanovaccines leverage advanced nanoparticle-based pulmonary delivery technologies on the characteristics of large surface area and rich antigen presentation cell environment of the lungs for triggering robust immune protection against various mucosal diseases. Herein, we review current methods and formulations of pulmonary delivery, discuss the design strategies of mucosal nanovaccines for potent and long-lasting immune responses, and highlight recent advances in the application of lipid-based pulmonary nanovaccines against mucosal diseases. These advances promise to accelerate the development of novel mucosal nanovaccines for the prophylaxis and therapy of infectious diseases, and cancer, as well as autoimmune disorders at mucosal tissues.

Graphical abstract: Pulmonary delivery of mucosal nanovaccines

Article information

Article type
Minireview
Submitted
03 10 2021
Accepted
29 11 2021
First published
06 12 2021
This article is Open Access
Creative Commons BY-NC license

Nanoscale, 2022,14, 263-276

Pulmonary delivery of mucosal nanovaccines

W. Tang, Y. Zhang and G. Zhu, Nanoscale, 2022, 14, 263 DOI: 10.1039/D1NR06512B

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